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ORGANIZATION AND DESCRIPTION OF THE BUSINESS AND FINANCIAL STATEMENT PRESENTATION (Details) (ABF)
 9 Months Ended 0 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Forecast
Sep. 30, 2013
Forecast
Minimum
Sep. 30, 2013
Forecast
Maximum
Sep. 30, 2013
Unionized employees concentration risk
Number of employees
Nov. 03, 2013
Subsequent Event
Nov. 03, 2013
Subsequent Event
Forecast
Organization and description of business              
Percentage of the Company's revenues represented by ABF 76.00%            
Percentage of ABF's employees covered under collective bargaining agreement with the IBT         75.00%    
Wage rate reduction under collective bargaining agreement upon implementation date (as a percent)           7.00%  
Wage rate increase for next three years of collective bargaining agreement (as a percent)             2.00%
Wage rate increase in fifth year of collective bargaining agreement (as a percent)             2.50%
Reduction in compensated vacation under collective bargaining agreement (in days)           5 days  
Approximate initial reduction in combined total contractual wage and benefit rate under collective bargaining agreement (as a percent)   4.00%          
Estimated increase in compounded annual contractual wage and benefit contribution rates in second through fifth years (as a percent)     2.50% 3.00%